Home / 454,263.94-626,884.25-263,388.05

Finding the Fourth Proportional to 454,263.94, 626,884.25 and 263,388.05

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Solution

The fourth proportional to 454,263.94, 626,884.25 and 263,388.05 is: 363,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,263.94 : 626,884.25 = 263,388.05 : x
  2. Step 2: Convert to fraction form
    454,263.94/626,884.25 = 263,388.05/x
  3. Step 3: Cross multiply
    454,263.94x = 626,884.25 × 263,388.05
  4. Step 4: Simplify right side
    454,263.94x = 165,113,820,183.21
  5. Step 5: Solve for x
    x = 165,113,820,183.21/454,263.94
  6. Step 6: Final answer
    x = 363,475.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.